Vehicle care 191Wheels and tyresDo not use high-pressure jetcleaners.Clean rims with a pH-neutral wheelcleaner.Rims are painted and can be treatedwith the same agents as the body.Paintwork damageRectify minor paintwork damage witha touch-up pen before rust forms.Have more extensive damage or rustareas repaired by a workshop.UnderbodySome areas of the vehicle underbodyhave a PVC undercoating while othercritical areas have a durableprotective wax coating.After the underbody is washed, checkthe underbody and have it waxed ifnecessary.Bitumen/rubber materials coulddamage the PVC coating. Haveunderbody work carried out by aworkshop.Before and after winter, wash theunderbody and have the protectivewax coating checked.Engine compartmentAreas of the engine compartment thatare painted in the same colour as thevehicle must be looked after like anyother painted surface.It is advisable to wash the enginecompartment before and after winterand preserve it with wax. Protect thealternator and brake fluid reservoirwith plastic sheets before washingthe engine.When washing the engine with asteam-jet cleaner, do not direct thesteam jet towards components of theantilock brake system, airconditioning system or the belt driveand its components.After an engine wash, have all engineroom components preservedthoroughly by a workshop usingprotective wax.Do not use high-pressure jetcleaners.Towing equipmentDo not clean the coupling ball bar witha steam-jet or high-pressure jetcleaner.Interior careInterior and upholsteryOnly clean the vehicle interior,including the instrument panel fasciaand panelling, with a dry cloth orinterior cleaner.Clean the leather upholstery withclear water and a soft cloth. In case ofheavy soiling, use leather care.The instrument cluster and thedisplays should only be cleaned usinga soft damp cloth. If necessary use aweak soap solution.Clean fabric upholstery with avacuum cleaner and brush. Removestains with an upholstery cleaner.Clothing fabrics may not becolourfast. This could cause visiblediscolourations, especially on light-
